Physics

Physics

Problem

Two point charges +9 µC and −4 µC are separated by 12 cm. Find the distance from the +9 µC charge along the line joining them at which the electric potential becomes zero. a) 9.6 cm9.6\ \text{cm} b) 8.3 cm8.3\ \text{cm} c) 7.2 cm7.2\ \text{cm} d) 3.7 cm3.7\ \text{cm}

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